Games like This is My Dungeon
Games like This is My Dungeon include Totally Accurate Battle Simulator, Bloons TD 6, Kingdom Rush - Tower Defense, Plants vs. Zombies GOTY Edition, and Kingdom Rush Frontiers - Tower Defense. We matched them by the tags players give This is My Dungeon on Steam (Strategy, Simulation, Tower Defense, Singleplayer, and Fantasy): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Sandbox

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Plague Inc: Evolved
Shared: Strategy · Simulation · Singleplayer

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Singleplayer

Game Dev Tycoon
Shared: Simulation · Strategy · Singleplayer

Slime Rancher
Shared: Singleplayer · Cute · Simulation

Reus
Shared: Strategy · Simulation · Singleplayer

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Ultimate Epic Battle Simulator
Shared: Simulation · Strategy · Sandbox

Mount & Blade II: Bannerlord
Shared: Strategy · Singleplayer · Sandbox

Cities: Skylines
Shared: Simulation · Strategy · Singleplayer

People Playground
Shared: Sandbox · Singleplayer · Simulation

RimWorld
Shared: Strategy · Sandbox · Singleplayer

911 Operator
Shared: Strategy · Simulation · Singleplayer

Bloons TD 5
Shared: Strategy · Tower Defense · Singleplayer

Prison Architect
Shared: Simulation · Strategy · Sandbox

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Singleplayer

Relic Guardian - Tower Defense
Shared: Strategy · Tower Defense · Fantasy

Total War: WARHAMMER II
Shared: Strategy · Fantasy · Singleplayer

Planet Coaster
Shared: Simulation · Strategy · Sandbox